Commands by JamieKitson (2)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Determine an image's dimensions
Simple use of ImageMagick identify function.

archlinux: shows list of packages that are no longer needed
Shows a list of packages which are no longer needed as dependencies of any package installed on your system.

(DEBIAN-BASED DISTROS) Find total installed size of packages given a search term
Replace \-dev with whatever you wanna search for

Launch a command from a manpage
Launch a command from within a manpage, vim style. This is rather trivial, but can be very useful to try out the functions described in a manpage without actually quitting it (or switching to another console/screen/...).

Take a screenshot every 2 seconds
Take a screenshot every 2 seconds and save it as a png file

Rename files in batch

Add calendar to desktop wallpaper
Add calendar to desktop wallpaper , mess with the coordinates to place where you like

Find a CommandlineFu users average command rating
This could be used to filter commands that might be from trolls

commentate specified line of a file
used when modify several configuration files with a single command

watch snapshots commit in VMware ESX
To monitor .vmdk files during snapshot deletion (commit) on ESX only (ESXi doesn't have the watch command): 1. Navigate to the VM directory containing .vmdk files. # watch "ls -tough --full-time *.vmdk" where: -t sorts by modification time -o do not list group information (to narrow the output) -u sorts by access time -g only here for the purpose to easily remember the created mnemonic word 'tough' -h prints sizes in human readable format (e.g., 1K 234M 2G) --full-time sets the time style to full-iso and does not list user information (to narrow the output) optionally useful parameters to the watch command: -d highlight changes between updates -n seconds to wait between updates (default is 2) -t turn off printing the header


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